(0 20 19)(1 21 18 15 10 5 3)(2 7 4)(6 11 8)(9 16 12)(13 17 14)
ALLOWS (11/8)-SEQUENCE
1: (0 2 7)

(0 4 2 20 19)(1 21 18 15 10 5 3)(6 11 8)(7)(9 16 12)(13 17 14)
2: (1 21 3)

(0 4 2 20 19)(1)(3 18 15 10 5)(6 11 8)(7)(9 16 12)(13 17 14)(21)
3: (2 20 4)

(0 4 19)(1)(2)(3 18 15 10 5)(6 11 8)(7)(9 16 12)(13 17 14)(20)(21)
4: (3 18 5)

(0 4 19)(1)(2)(3)(5 15 10)(6 11 8)(7)(9 16 12)(13 17 14)(18)(20)(21)